The Nashville Christian school shooter Audrey Hale had mysterious handwritten notes on her clothes, a knife inscribed with her chosen name of Aiden and an anklet with the number 508407 etched on it, an autopsy report revealed.
The report came four months after the transgender shooter opened fire at The Covenant School - killing three adults and three children on March 27.
The autopsy revealed Hale's clothing was covered in 'handwritten words, drawings and numbers'. It's unclear what was written on her clothes.
The report also noted that Hale, 28, wore an orange plastic anklet with the mysterious inscription '508407.'
The autopsy was released as debate escalated over the decision to release the manifesto and other writings of Hale, which were recovered at the crime scene and at her parents' home.
School shooter Audrey Hale had mysterious handwritten notes on her clothes, a knife inscribed with her chosen name of Aiden and an anklet with the number 508407 etched on it
The report comes four months after the trans shooter opened fire at The Covenant School - killing three adults and three children
The report noted Hale identified as a transgender man but was listed as a female officially.
The medical examiner determined Hale's cause of death to be homicide by gunshot wounds.
The toxicological analysis found no detection of drugs or alcohol.
Hale opened fire at a Christian elementary school in Tennessee on the morning of March 27, killing six people including three nine-year-old students.
With an assault-style rifle in hand, Hale shot down the door of the Nashville area school and stalked the hallways before opening fire on her victims.
Hale murdered Hallie Scruggs, William Kinney, Evelyn Dieckhaus, all nine, and headmistress Dr. Katherine Koonce, 60, substitute teacher Cynthia Peak, 61 and chef Mike Hill, 61.
She used three of seven legally purchased guns to carry out the shooting.
The transgender artist had a detailed map of the building and conducted surveillance outside The Covenant School she once attended, before carrying out the devastating massacre.
Will Kinney, (pictured) who was shot and killed in the massacre
Hallie Scruggs, 9, was killed in the shooting and is pictured with her father, a pastor at the church, Chad Scruggs
Evelyn Dieckhaus, 9, was one of the victims shot by Hale, 28, at the private Christian school
Hale can be seen stalking the corridors in footage released by Nashville police. She walks the length of the corridor before disappearing in the distance to go up to the second floor
She can be seen looking for someone to shoot within the church before opening the door and heading to the first floor
Police stormed the school 14 minutes after the shooting started and gunned down Hale in a mezzanine area. Dramatic bodycam footage captured the moment Officers Rex Engelbert and Michael Collazo brought the massacre to an end.
Hale was shot dead by police after staging her attack. Investigators released body camera footage showing police officers taking down Hale.
Police said she was transgender, and online used the pronouns 'he/his' - although they referred to Hale, who was born female, as 'she'.
Hale ran Audrey Hale Illustrations, and described her work as: 'Commercial Illustration and Graphic Design.'
Normal Hale (pictured center), the mother of Audrey Hale (pictured right), the transgender shooter who killed six people, including three nine-year-old children and three staff members, was herself an advocate for gun control on social media
A lawyer for Hale's parents, Ronald and Norma Hale (pictured), has said the shooter's manifesto will be handed to the families of students at the Covenant School
Hale had planned the attack for months in advance and studied other mass murderers before killing six people, police have said.
Police said in April: 'In the collective writings by Hale found in her vehicle in the school parking lot, and others later found in the bedroom of her home, she documented, in journals, her planning over a period of months to commit mass murder at The Covenant School.
'The writings remain under careful review by the MNPD and the FBI's Behavioral Analysis Unit based in Quantico, Virginia.
Officers Rex Engelbart (pictured left) and Michael Collazo (pictured right) were the members of the team who shot and killed Hale
Hale used several weapons during the massacre, including this AR-style rifle which had been personalized with a sticker and daubed with 'Aiden', the name used after Hale transitioned
'The motive for Hale's actions has not been established and remains under investigation by the Homicide Unit in consultation with the FBI's Behavioral Analysis Unit.
Investigators found a suicide note, weapons, and ammunition in Hale's possession. A manifesto and map of the Covenant School were also among the items.
The Metropolitan Nashville Police Department said in May that it would not release the manifesto pending litigation.
In June, a lawyer for the parents of Nashville school shooter Hale said a 'manifesto' found by investigators after the massacre would be handed to the families of students at the school.
A police officer walks by an entrance to The Covenant School after the shooting in Nashville
Children hold hands as they leave The Covenant School in Nashville, Tennessee, on March 27 after Hale opened fire, killing three kids and three staff members
The parents have stated that they do not want the manifesto released to the public.
The pledge, made public during a court hearing, comes amid an ongoing legal battle over whether the writings by Hale, who killed three children and three adults at the Covenant School on March 27, should be made public.
Lawyers for the victims' families and the school have argued against the release of the so-called manifesto, but others including some media outlets and the National Police Association say it should published.
TIMELINE OF NASHVILLE SCHOOL SHOOTING
9:30am – Metro Police Chief John Drake confirmed that Audrey Hale, 28, left her parents property with a red bag. She was questioned by her mother about the bag but dismissed the question.
9:53am — Hale arrives at the Covenant School in her Honda Fit. She is seen in surveillance footage driving around the parking lot, going out of frame and parking at about 9:55 a.m.
9:57am – Hale sends a goodbye message on Instagram to Averianna Patton. The message said: 'This is my last goodbye. I love you. See you again in another life.' She then responds, telling Hale that she has so much more to live for.
Hale replies again, saying one day, 'this will make more sense' but 'something bad is about to happen.'
10:03am - Averianna Patton calls the suicide prevention hotline to try to report the messages that she has been sent by Hale. They tell her to contact the local sheriff's department.
10:10am – Hale approaches a side entrance to the private Christian school and shoots through the glass doors to gain entry with her two AR-style rifles and a handgun.
10:12am – Patton makes an emotional call to 911 asking them to check on Hale after the disturbing messages. She is told that there is not much officers can do without an address for her.
10:13am – First shots-fired call to 911.
10:14am – Hale walks through a school hallway and walks around the property for several minutes. She then passes the children's ministry before firing shots at 10:21 a.m. and then walking out of the video frame.
10:24am – The first Metro Police officers arrive on the scene, with Officer Englebert unlocking the door and entering the school. The five-member tactical unit enters the school and starts its search for the shooter.
10:27am – The team of officers encounters the shooter on the second-floor atrium. Police said Hale had been firing through a window at arriving officers. Englebert, alongside Officer Michael Collazo, shot and killed Hale.
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